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ICSE Class 9 Chemistry — Formula Sheet

ICSE Class 9 Chemistry formula sheet, chapter by chapter — 73 formulas across 8 chapters. Follows the ICSE / ISC syllabus.

How to Use the Formula Sheet

  1. Write, don't just read — writing each formula out helps it stick.
  2. Understand the derivation — you can rebuild a formula you half-remember.
  3. Group related formulas — link the ones that build on each other.
  4. Test yourself — cover the sheet and write the formulas from memory.

Chapter-Wise Formulas — 8 Chapters

A symbol represents one atom of an element
Chemical formula = symbols of elements with subscripts
Molecular formula of water = H2O
Molecular formula of ammonia = NH3
Molecular formula of sodium carbonate = Na2CO3
The full The Language of Chemistry formula sheet
A + B → AB
AB + CD → AD + CB
AB → A + B
A + BC → AC + B
Exothermic reaction = heat released
The full Chemical Changes and Reactions formula sheet
3

Water

10 entries
H2O
Molecular mass of water = 18 amu
Concentration of solution = (Mass of solute / Mass of solution) × 100
Volume percent = (Volume of solute / (Volume of solute + Volume of solvent)) × 100
Solubility = (M2 - M) / [(M1 - M) - (M2 - M)] × 100
The full Water formula sheet

5 more chapters below

Formula sheets for all 8 chapters with formulas.

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Frequently Asked Questions

Where can I find ICSE Class 9 Chemistry Formula Sheet?

This page has formula sheet for 8 chapters of ICSE Class 9 Chemistry for the 2026-27 session. Each chapter links to its own page with the full set.

Go through the syllabus first, then work chapter by chapter: learn the ideas, practise questions, and revise with notes and flashcards. Leave time at the end to revise every chapter once more under timed conditions.

Learn the formulas you use most first, and understand what each symbol means so you can apply them. Knowing where a formula comes from helps you rebuild it if you forget it in the exam.

Browse Formula Sheet by Chapter

8 chapters

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